232223331331 has 4 divisors (see below), whose sum is σ = 237887315064. Its totient is φ = 226559347600.

The previous prime is 232223331323. The next prime is 232223331341. The reversal of 232223331331 is 133133322232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 232223331331 - 2³ = 232223331323 is a prime.

It is a super-2 number, since 2×232223331331² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 232223331331.

It is not an unprimeable number, because it can be changed into a prime (232223331311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2831991805 + ... + 2831991886.

It is an arithmetic number, because the mean of its divisors is an integer number (59471828766).

Almost surely, 2^232223331331 is an apocalyptic number.

232223331331 is a deficient number, since it is larger than the sum of its proper divisors (5663983733).

232223331331 is an equidigital number, since it uses as much as digits as its factorization.

232223331331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5663983732.

The product of its digits is 11664, while the sum is 28.

Adding to 232223331331 its reverse (133133322232), we get a palindrome (365356653563).

Subtracting from 232223331331 its reverse (133133322232), we obtain a palindrome (99090009099).

The spelling of 232223331331 in words is "two hundred thirty-two billion, two hundred twenty-three million, three hundred thirty-one thousand, three hundred thirty-one".